Finding the Third Proportional to 5,456,921 and 9,094,321

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456,921 : 9,094,321 = 9,094,321 : x
2. Step 2: Convert to fraction form
   5,456,921/9,094,321 = 9,094,321/x
3. Step 3: Cross multiply
   5,456,921x = 9,094,321 × 9,094,321
4. Step 4: Simplify right side
   5,456,921x = 82,706,674,451,041
5. Step 5: Solve for x
   x = 82,706,674,451,041/5,456,921
6. Step 6: Final answer
   x = 15,156,289.50